1 << 2;
2 >> 1;
2 >>> 1;
23 + 19;
42 - 19;
2 * 3;
8 / 5;
2 % 1;
2 | 3;
2 ^ 3;
2 & 3;
'prototype' in Object;
[] instanceof Array;
1 && 2;
1 || 2;
